1#! /bin/sh
2
3PATH=/bin:/usr/bin:/usr/sbin
4
5backupwarning() {
6cat <<EOF
7
8  =========== BACKUP YOUR DATA! =============
9  As always, backup your data before
10  upgrading. If the upgrade leads to a higher
11  major revision (e.g. 9.6 -> 10), a dump
12  and restore of all databases is
13  required. This is *NOT* done by the port!
14  See https://www.postgresql.org/docs/current/upgrading.html
15  ===========================================
16EOF
17}
18
19case $2 in
20PRE-INSTALL)
21	backupwarning
22	;;
23esac
24